19199457

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{719}}^1$

素因数の和:794

約数の個数: 32

約数和(自身を含む): 30412800

約数和(自身を除く): 11213343

約数列:

[1, 3, 9, 23, 27, 43, 69, 129, 207, 387, 621, 719, 989, 1161, 2157, 2967, 6471, 8901, 16537, 19413, 26703, 30917, 49611, 92751, 148833, 278253, 446499, 711091, 834759, 2133273, 6399819, 19199457]

約数ペア:

[(1, 19199457), (3, 6399819), (9, 2133273), (23, 834759), (27, 711091), (43, 446499), (69, 278253), (129, 148833), (207, 92751), (387, 49611), (621, 30917), (719, 26703), (989, 19413), (1161, 16537), (2157, 8901), (2967, 6471)]